VELUX Duo Sloped Extension Combi Solution

Enjoy floor-to-ceiling views and even more daylight with VELUX Duo Sloped Extension.

The VELUX Duo Sloped Extension features a roof window with a sloped extension window below for floor-to-ceiling views. The addition of an extension window boosts the feeling of space by providing an extended view to the outdoors and increasing the amount of natural daylight in your home. The solution can also be configured as a Quattro, with two Duo Sloped Extension Combi solutions connected together.

Benefits at a glance

    • Provides floor-to-ceiling views to the outdoors 
    • Installation is beautifully integrated into the roof 
    • Allows more daylight into the room and makes it feel more spacious 
    • Comes ready for easy installation of VELUX sun protection products 
    • Can be combined with VELUX roller shutters for added heat protection

Product Details

Click on the desired topic on the right to see detailed information.

  • Package Contents

    The VELUX Duo Sloped Extension Combi Solution comes complete with everything your craftsman needs to create a perfect installation. The package includes:

    1 High-quality VELUX roof window 
    1 High-quality VELUX sloped extension window 
    1 Auxiliary rafter 
    Insulation and connection set for the windows

  • Size and price
    All prices shown in the overview are MSRP without installation and are rounded to the nearest full Euro. For further information please contact your local VELUX sales office or installer. These certified craftsmen are also your contact for on-site consultation.
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  • Download the pricelist as a PDF
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  • Frame materials

    3 materials to choose from

    Choose between windows in high-quality plastic or wood. VELUX windows in wood are available either in white or in a clear varnished finish.

  • Accessories

    Shutters and Sun-screening products

    VELUX has a full selection of roller shutters, heat protection awnings, pleated blinds, insect screens and blackout blinds that are designed specifically for your new roof windows. Choose the VELUX sun protection that meets your exact needs from our comprehensive product range. The products can be easily installed using VELUX’s innovative and easy-to-use Pick & Click!® system.

  • Roof Pitch Information

    The VELUX Duo Sloped Extension Combi Solution can be installed in roof pitch ranges from 15° to 55°.

    For roof pitch ranges from 55° to 75°, please refer to our separate instructions (PDF).


Věděli jste, že...

každý člověk se nadechne asi 2000krát denně? A většinou se jedná o vzduch špatné kvality...1)

1) American Lung Association: www.lung.com/your-lungs/

Věděli jste, že...

člověk stráví až 90 % svého času uvnitř budov - prací, učením, hraním, ...?1)

1) NEST-Project, Technical Univeristy Berlin, European comission 2004

Věděli jste, že...

denní světlo může zlepšit schopnost učení dětí až o 15 %?1)

1) "Indoor Environment and learning in Schools", International Centre for Indoor environment and Energy (ICIEE), Technical Univeristy Denmark, 2013.

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